Captain America: Civil War marked a pivotal moment in the Marvel Cinematic Universe, a series of events that would change the dynamics of the Avengers forever. Following the devastating consequences of Avengers: Age of Ultron, the collective governments of the world, fueled by a growing distrust of the world's most powerful superheroes, pass the Sokovia Accords. This legislation aims to regulate all superhuman activity, placing the Avengers under the authority of the United Nations' oversight committee. The introduction of the Sokovia Accords sparks a heated debate among the Avengers, with some, led by Tony Stark (Iron Man), embracing the idea of accountability and regulation. They believe that with great power comes great responsibility and that the Avengers' actions should be subject to scrutiny and evaluation. On the other hand, a smaller group, led by Steve Rogers (Captain America), oppose the Accords, arguing that they undermine the team's independence and autonomy. They fear that the measures will compromise the Avengers' ability to make decisions in real-time, potentially putting innocent lives at risk. Tony Stark, haunted by the consequences of his actions in Ultron and keen to redeem himself, becomes a fierce advocate for the Accords. He believes that the Avengers need to be more accountable to the world, and that they should be answerable to a higher authority. Steve Rogers, however, is torn between his commitment to the team and his duty to protect his fellow Avengers. He worries that the Accords will lead to a slippery slope, where the government controls the Avengers, forcing them to become puppets on strings. As the debate rages on, the Avengers are further divided. Wanda Maximoff (Scarlet Witch) and Clint Barton (Hawkeye) side with Captain America, sharing his concerns about government control. Meanwhile, James "Rhodey" Rhodes (War Machine) and Maria Hill support Tony Stark's stance, convinced by the benefits of accountability and oversight. The rift deepens when Steve Rogers, who has been searching for the truth behind the Winter Soldier program, discovers a link between Bakur, a target of an Avengers mission in the previous film, and Helmut Zemo, a character from the earlier Marvel Studios film, Captain America: The Winter Soldier. Rogers becomes convinced that Zemo is manipulating events to further his own agenda, and that he is attempting to sabotage the Avengers' fragile unity. As the Avengers' divisions become increasingly pronounced, Steve Rogers turns to his loyal friend, Sam Wilson, for help. The two embark on a perilous mission to uncover the truth behind Wanda's past and Helmut Zemo's connection to the Avengers. They soon find themselves on the run, pursued by Black Widow, who is tasked by the United Nations to capture Rogers and bring him to justice. Meanwhile, Tony Stark, who is struggling to keep his team on track, finds himself pitted against Cap's faction, leading to a series of escalating confrontations. The two former allies clash in a series of intense battles, with Spider-Man, an enthusiastic newcomer, caught in the middle. Peter Parker, who has become increasingly skilled as a superhero, is torn between his loyalty to Tony Stark and his admiration for Steve Rogers. As the conflict escalates, it becomes clear that Zemo's plan involves the Winter Soldier, Bucky Barnes, who, after being subjected to a brainwashing program, has become a deadly operative. Zemo manipulates Barnes into carrying out a brutal terrorist attack, in an effort to incite a global crisis and justify his own vengeance against the Avengers. The epic battle between Iron Man and Captain America's factions takes center stage, with the Wakandan nation becoming the focal point of the conflict. T'Chala, the young prince of Wakanda, finds himself caught in the middle, struggling to maintain the neutrality of his people. However, when Steve Rogers, genuinely convinced of Zemo's malice, believes that his friend may still be alive, T'Chala allows Rogers and Barnes to reach the Wakandan capital, in a compromise to contain the escalating conflict. As the war between Iron Man and Captain America's factions reaches its boiling point, Spider-Man finds himself gravely injured, captured by the faction loyal to Zemo. Meanwhile, Captain America confronts his friend, Steve, with a proposal – that they take control of the Winter Soldier and, between them, ensure that no more good people will be hurt. Steve is torn between feeling sorry for Bucky, seeing this as genuine this time, versus standing on his own stance, avoiding harming innocent lives by putting the Avengers in the Sokovia Accords. T'Chala's resolve is tested by the increasingly brutal tactics employed by the Wakandan forces, but he holds firm in his determination to protect his nation. As Zemo reveals his true intentions – to destroy the Avengers, the Winter Soldier, and his personal demons – Rogers realizes that he must confront the reality of Bucky's past. Ultimately, Steve Rogers decides that taking control of the Winter Soldier is too much to bear, leaving him no choice but to accept the responsibilities of the Accords, just to prevent collateral damage and killing more innocent lives than just a terrorist. The conflict is brought to a head when Winter Soldier ultimately destroys much of Wakanda in the face of overwhelming odds from the opposing factions. The epic battle leaves both factions severely compromised, and Steve Rogers must now bear the consequences of his actions. As the dust settles, Steve reconciles with Tony Stark, acknowledging that, although they disagreed, their friendship remains intact. Tony, concerned for Rogers' well-being and recognizing the gravity of his actions, decides to delay implementation of the Sokovia Accords, showing his respect for Steve's leadership and compassion. A new era dawns on the Avengers, marked by divisions, friendships defiled and, possibly, fractured power at play. It sets the stage for Avengers: Infinity War and the introduction of Thanos into the plot.